Home / 5,979.08-8,240.49-5,291.66

Finding the Fourth Proportional to 5,979.08, 8,240.49 and 5,291.66

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Solution

The fourth proportional to 5,979.08, 8,240.49 and 5,291.66 is: 7,293.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.08 : 8,240.49 = 5,291.66 : x
  2. Step 2: Convert to fraction form
    5,979.08/8,240.49 = 5,291.66/x
  3. Step 3: Cross multiply
    5,979.08x = 8,240.49 × 5,291.66
  4. Step 4: Simplify right side
    5,979.08x = 43,605,830.11
  5. Step 5: Solve for x
    x = 43,605,830.11/5,979.08
  6. Step 6: Final answer
    x = 7,293.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.